Yes 1) 12007/8, will fit in VB
2) 12243/12244 MGR Chennai Central - Coimbatore Shatabdi Express
3) 22207/22208 MGR Chennai Central - Thiruvananthapuram Central - MGR Chennai Central SUPER AC Express...
more...
can be converted into Over Night VB
OR New ONT or Day time VB between Chennai Central - Ernakulam.
4) New ONT or Day time VB between Chennai Central/Chennai Egmore - Hyderabad/Secunderabad.
as now Charminar Express shifted to Tambaram.
5) New ONT or Day time VB between Chennai Central/Chennai Egmore - SBC/SMVT Bengaluru
6) If possible New ONT or Day time VB between Chennai Egmore - Rameswaram can't be ruled out.